MC44BS373CADR2 datasheet(10/52 Pages) FREESCALE

部件名	MC44BS373CADR2

功能描述	PLL-Tuned UHF and VHF Audio/Video High-Integration Modulator

PDF	52 Pages

Scroll/Zoom	100%

制造商	FREESCALE [Freescale Semiconductor, Inc]

网页	http://www.freescale.com

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10 / 52 page

MC44BS373CA Data Sheet

I2C Programming

10 I2C Programming

The following tables list, by category, the bits used to program various parameters of the MC44BS373CA.

10.1 Sound Settings

Table 13 lists the sound settings used.

Table 14 lists the video settings used.

Table 13. Sound Settings

Bit

Value

Setting

Sound Subcarrier Frequency (MHz)

SFD1

SFD0

SFD1

SFD0

4.5

5.5

6.0

6.5

Picture-to-Sound Ratio (dB)

116

Sound Oscillator

Sound oscillator on (normal mode)

Sound oscillation disabled (oscillator and PLL section bias turned off)

Table 14. Video Settings

Bit

Value

Setting

System L/BG Selection

SYSL

System B/G enabled, system L disabled (FM sound and negative video

modulation)

System L enabled, system B/G disabled (AM sound and positive video modulation)

Peak White Clip

PWC

Peak white clip on (system B/G)

Peak white clip off (system L)

Test Pattern Signal

TPEN

Test pattern signal off (normal operation)

Test pattern signal on (picture and sound)

MC44BS373CADR2 数据表(PDF) 10 Page - Freescale Semiconductor, Inc

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